Key and display layout for a telephone handset



FIG. 1 is a front elevational view of a key and display layout for a telephone handset showing our new design;

FIG. 2 is a lower front, right side perspective view thereof; and,

FIG. 3 is an upper front, left side perspective view thereof;

The dotted lines showing the outline of a telephone handset are for illustration purposes only and forms no part of the claimed invention. 

The ornamental design of a "key and display layout for a telephone handset", as shown and described. 